./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:35:16,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:35:16,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:35:16,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:35:16,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:35:16,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:35:16,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:35:16,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:35:16,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:35:16,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:35:16,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:35:16,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:35:16,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:35:16,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:35:16,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:35:16,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:35:16,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:35:16,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:35:16,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:35:16,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:35:16,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:35:16,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:35:16,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:35:16,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:35:16,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:35:16,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:35:16,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:35:16,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:35:16,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:35:16,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:35:16,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:35:16,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:35:16,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:35:16,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:35:16,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:35:16,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:35:16,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:35:16,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:35:16,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:35:16,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:35:16,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:35:16,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 10:35:16,744 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:35:16,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:35:16,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:35:16,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:35:16,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:35:16,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:35:16,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:35:16,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:35:16,748 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:35:16,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:35:16,749 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:35:16,749 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:35:16,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:35:16,750 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:35:16,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:35:16,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:35:16,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:35:16,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:35:16,751 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 10:35:16,751 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:35:16,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:35:16,751 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:35:16,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:35:16,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:35:16,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:35:16,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:35:16,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:35:16,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:35:16,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:35:16,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:35:16,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:35:16,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:35:16,754 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:35:16,754 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:35:16,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:35:16,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 596bf38d5c1bddbb7fa933c2910678824d7396d44da5246db401a53a5b4ba843 [2022-11-20 10:35:17,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:35:17,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:35:17,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:35:17,089 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:35:17,089 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:35:17,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-20 10:35:20,108 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:35:20,451 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:35:20,452 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-20 10:35:20,466 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/data/d4fd1e67e/463a2d70e23d4654bd16c0783dd7c3d0/FLAGa2f8f3b60 [2022-11-20 10:35:20,491 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/data/d4fd1e67e/463a2d70e23d4654bd16c0783dd7c3d0 [2022-11-20 10:35:20,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:35:20,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:35:20,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:35:20,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:35:20,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:35:20,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:35:20" (1/1) ... [2022-11-20 10:35:20,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c66978a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:20, skipping insertion in model container [2022-11-20 10:35:20,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:35:20" (1/1) ... [2022-11-20 10:35:20,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:35:20,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:35:20,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2022-11-20 10:35:21,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:35:21,064 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:35:21,081 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/sv-benchmarks/c/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2022-11-20 10:35:21,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:35:21,169 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:35:21,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21 WrapperNode [2022-11-20 10:35:21,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:35:21,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:35:21,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:35:21,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:35:21,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,250 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 163 [2022-11-20 10:35:21,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:35:21,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:35:21,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:35:21,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:35:21,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,314 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:35:21,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:35:21,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:35:21,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:35:21,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (1/1) ... [2022-11-20 10:35:21,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:35:21,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:35:21,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:35:21,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:35:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:35:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:35:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:35:21,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:35:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:35:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-20 10:35:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-20 10:35:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-20 10:35:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-20 10:35:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-20 10:35:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-20 10:35:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:35:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:35:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:35:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:35:21,423 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 10:35:21,570 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:35:21,572 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:35:22,067 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:35:22,350 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:35:22,354 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:35:22,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:22 BoogieIcfgContainer [2022-11-20 10:35:22,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:35:22,360 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:35:22,360 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:35:22,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:35:22,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:35:20" (1/3) ... [2022-11-20 10:35:22,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbaf937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:35:22, skipping insertion in model container [2022-11-20 10:35:22,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:35:21" (2/3) ... [2022-11-20 10:35:22,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fbaf937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:35:22, skipping insertion in model container [2022-11-20 10:35:22,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:22" (3/3) ... [2022-11-20 10:35:22,369 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-11-20 10:35:22,378 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 10:35:22,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:35:22,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-20 10:35:22,390 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 10:35:22,449 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 10:35:22,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 127 places, 119 transitions, 253 flow [2022-11-20 10:35:22,538 INFO L130 PetriNetUnfolder]: 2/116 cut-off events. [2022-11-20 10:35:22,538 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:35:22,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2022-11-20 10:35:22,544 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 119 transitions, 253 flow [2022-11-20 10:35:22,548 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 116 transitions, 241 flow [2022-11-20 10:35:22,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:35:22,566 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@70b925a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:35:22,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-20 10:35:22,583 INFO L130 PetriNetUnfolder]: 0/52 cut-off events. [2022-11-20 10:35:22,583 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 10:35:22,583 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:35:22,584 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:35:22,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-20 10:35:22,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:22,590 INFO L85 PathProgramCache]: Analyzing trace with hash 580851839, now seen corresponding path program 1 times [2022-11-20 10:35:22,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:22,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457164100] [2022-11-20 10:35:22,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:22,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:23,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:35:23,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457164100] [2022-11-20 10:35:23,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457164100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:35:23,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:35:23,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:35:23,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269846117] [2022-11-20 10:35:23,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:35:23,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:35:23,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:35:23,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:35:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:35:23,168 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119 [2022-11-20 10:35:23,171 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 116 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:23,172 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:35:23,172 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119 [2022-11-20 10:35:23,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:35:23,943 INFO L130 PetriNetUnfolder]: 694/2629 cut-off events. [2022-11-20 10:35:23,943 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-11-20 10:35:23,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3777 conditions, 2629 events. 694/2629 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 22982 event pairs, 416 based on Foata normal form. 128/2348 useless extension candidates. Maximal degree in co-relation 3725. Up to 915 conditions per place. [2022-11-20 10:35:23,973 INFO L137 encePairwiseOnDemand]: 107/119 looper letters, 30 selfloop transitions, 4 changer transitions 0/126 dead transitions. [2022-11-20 10:35:23,973 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 126 transitions, 335 flow [2022-11-20 10:35:23,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:35:23,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 10:35:23,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2022-11-20 10:35:23,992 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9215686274509803 [2022-11-20 10:35:23,993 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 329 transitions. [2022-11-20 10:35:23,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 329 transitions. [2022-11-20 10:35:23,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:35:24,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 329 transitions. [2022-11-20 10:35:24,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:24,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:24,012 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:24,014 INFO L175 Difference]: Start difference. First operand has 124 places, 116 transitions, 241 flow. Second operand 3 states and 329 transitions. [2022-11-20 10:35:24,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 126 transitions, 335 flow [2022-11-20 10:35:24,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 126 transitions, 330 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-20 10:35:24,024 INFO L231 Difference]: Finished difference. Result has 123 places, 116 transitions, 268 flow [2022-11-20 10:35:24,026 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=123, PETRI_TRANSITIONS=116} [2022-11-20 10:35:24,032 INFO L288 CegarLoopForPetriNet]: 124 programPoint places, -1 predicate places. [2022-11-20 10:35:24,033 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 116 transitions, 268 flow [2022-11-20 10:35:24,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:24,033 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:35:24,034 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:35:24,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:35:24,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-20 10:35:24,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:24,036 INFO L85 PathProgramCache]: Analyzing trace with hash 499734634, now seen corresponding path program 1 times [2022-11-20 10:35:24,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:24,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385238351] [2022-11-20 10:35:24,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:24,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:24,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:35:24,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385238351] [2022-11-20 10:35:24,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385238351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:35:24,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:35:24,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:35:24,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14248564] [2022-11-20 10:35:24,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:35:24,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:35:24,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:35:24,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:35:24,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:35:24,393 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119 [2022-11-20 10:35:24,394 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 116 transitions, 268 flow. Second operand has 4 states, 4 states have (on average 97.25) internal successors, (389), 4 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:24,394 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:35:24,394 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119 [2022-11-20 10:35:24,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:35:24,844 INFO L130 PetriNetUnfolder]: 514/1505 cut-off events. [2022-11-20 10:35:24,845 INFO L131 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2022-11-20 10:35:24,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2769 conditions, 1505 events. 514/1505 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 10945 event pairs, 120 based on Foata normal form. 0/1316 useless extension candidates. Maximal degree in co-relation 2717. Up to 464 conditions per place. [2022-11-20 10:35:24,857 INFO L137 encePairwiseOnDemand]: 109/119 looper letters, 36 selfloop transitions, 10 changer transitions 3/141 dead transitions. [2022-11-20 10:35:24,858 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 141 transitions, 434 flow [2022-11-20 10:35:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:35:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-20 10:35:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 432 transitions. [2022-11-20 10:35:24,863 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.907563025210084 [2022-11-20 10:35:24,864 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 432 transitions. [2022-11-20 10:35:24,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 432 transitions. [2022-11-20 10:35:24,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:35:24,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 432 transitions. [2022-11-20 10:35:24,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 108.0) internal successors, (432), 4 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:24,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:24,871 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:24,871 INFO L175 Difference]: Start difference. First operand has 123 places, 116 transitions, 268 flow. Second operand 4 states and 432 transitions. [2022-11-20 10:35:24,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 141 transitions, 434 flow [2022-11-20 10:35:24,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 141 transitions, 430 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 10:35:24,883 INFO L231 Difference]: Finished difference. Result has 127 places, 119 transitions, 324 flow [2022-11-20 10:35:24,884 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=324, PETRI_PLACES=127, PETRI_TRANSITIONS=119} [2022-11-20 10:35:24,885 INFO L288 CegarLoopForPetriNet]: 124 programPoint places, 3 predicate places. [2022-11-20 10:35:24,885 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 119 transitions, 324 flow [2022-11-20 10:35:24,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.25) internal successors, (389), 4 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:24,886 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:35:24,887 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:35:24,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:35:24,887 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-20 10:35:24,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:24,889 INFO L85 PathProgramCache]: Analyzing trace with hash 283432677, now seen corresponding path program 1 times [2022-11-20 10:35:24,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:24,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263588066] [2022-11-20 10:35:24,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:24,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:25,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:35:25,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263588066] [2022-11-20 10:35:25,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263588066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:35:25,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:35:25,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:35:25,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745882148] [2022-11-20 10:35:25,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:35:25,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:35:25,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:35:25,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:35:25,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:35:25,114 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119 [2022-11-20 10:35:25,114 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 119 transitions, 324 flow. Second operand has 4 states, 4 states have (on average 97.25) internal successors, (389), 4 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:25,115 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:35:25,115 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119 [2022-11-20 10:35:25,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:35:25,514 INFO L130 PetriNetUnfolder]: 362/1527 cut-off events. [2022-11-20 10:35:25,515 INFO L131 PetriNetUnfolder]: For 825/825 co-relation queries the response was YES. [2022-11-20 10:35:25,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2538 conditions, 1527 events. 362/1527 cut-off events. For 825/825 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 11583 event pairs, 200 based on Foata normal form. 78/1521 useless extension candidates. Maximal degree in co-relation 2483. Up to 386 conditions per place. [2022-11-20 10:35:25,526 INFO L137 encePairwiseOnDemand]: 112/119 looper letters, 27 selfloop transitions, 4 changer transitions 0/123 dead transitions. [2022-11-20 10:35:25,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 123 transitions, 368 flow [2022-11-20 10:35:25,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:35:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-20 10:35:25,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 414 transitions. [2022-11-20 10:35:25,529 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8697478991596639 [2022-11-20 10:35:25,529 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 414 transitions. [2022-11-20 10:35:25,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 414 transitions. [2022-11-20 10:35:25,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:35:25,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 414 transitions. [2022-11-20 10:35:25,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:25,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:25,532 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:25,532 INFO L175 Difference]: Start difference. First operand has 127 places, 119 transitions, 324 flow. Second operand 4 states and 414 transitions. [2022-11-20 10:35:25,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 123 transitions, 368 flow [2022-11-20 10:35:25,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 123 transitions, 350 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-11-20 10:35:25,538 INFO L231 Difference]: Finished difference. Result has 124 places, 113 transitions, 272 flow [2022-11-20 10:35:25,538 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=272, PETRI_PLACES=124, PETRI_TRANSITIONS=113} [2022-11-20 10:35:25,539 INFO L288 CegarLoopForPetriNet]: 124 programPoint places, 0 predicate places. [2022-11-20 10:35:25,539 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 113 transitions, 272 flow [2022-11-20 10:35:25,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.25) internal successors, (389), 4 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:25,540 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 10:35:25,540 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:35:25,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:35:25,540 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-20 10:35:25,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:25,541 INFO L85 PathProgramCache]: Analyzing trace with hash 617356487, now seen corresponding path program 1 times [2022-11-20 10:35:25,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:35:25,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67831160] [2022-11-20 10:35:25,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:25,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:35:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:35:25,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:35:25,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67831160] [2022-11-20 10:35:25,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67831160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:35:25,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:35:25,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:35:25,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560765988] [2022-11-20 10:35:25,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:35:25,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:35:25,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:35:25,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:35:25,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:35:25,714 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 119 [2022-11-20 10:35:25,715 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 113 transitions, 272 flow. Second operand has 5 states, 5 states have (on average 97.4) internal successors, (487), 5 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:25,715 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 10:35:25,716 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 119 [2022-11-20 10:35:25,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 10:35:26,007 INFO L130 PetriNetUnfolder]: 353/1194 cut-off events. [2022-11-20 10:35:26,007 INFO L131 PetriNetUnfolder]: For 483/483 co-relation queries the response was YES. [2022-11-20 10:35:26,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2114 conditions, 1194 events. 353/1194 cut-off events. For 483/483 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 8326 event pairs, 108 based on Foata normal form. 12/1158 useless extension candidates. Maximal degree in co-relation 2060. Up to 254 conditions per place. [2022-11-20 10:35:26,011 INFO L137 encePairwiseOnDemand]: 112/119 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions. [2022-11-20 10:35:26,011 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 129 transitions, 372 flow [2022-11-20 10:35:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:35:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-20 10:35:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 515 transitions. [2022-11-20 10:35:26,014 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.865546218487395 [2022-11-20 10:35:26,014 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 515 transitions. [2022-11-20 10:35:26,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 515 transitions. [2022-11-20 10:35:26,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:35:26,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 515 transitions. [2022-11-20 10:35:26,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 103.0) internal successors, (515), 5 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:26,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:26,022 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:26,022 INFO L175 Difference]: Start difference. First operand has 124 places, 113 transitions, 272 flow. Second operand 5 states and 515 transitions. [2022-11-20 10:35:26,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 129 transitions, 372 flow [2022-11-20 10:35:26,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 129 transitions, 357 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 10:35:26,026 INFO L231 Difference]: Finished difference. Result has 121 places, 0 transitions, 0 flow [2022-11-20 10:35:26,032 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=121, PETRI_TRANSITIONS=0} [2022-11-20 10:35:26,033 INFO L288 CegarLoopForPetriNet]: 124 programPoint places, -3 predicate places. [2022-11-20 10:35:26,034 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 0 transitions, 0 flow [2022-11-20 10:35:26,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 97.4) internal successors, (487), 5 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:35:26,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-20 10:35:26,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-20 10:35:26,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-20 10:35:26,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-20 10:35:26,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-20 10:35:26,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-20 10:35:26,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-20 10:35:26,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-20 10:35:26,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-20 10:35:26,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-20 10:35:26,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-20 10:35:26,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-20 10:35:26,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-20 10:35:26,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-20 10:35:26,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-20 10:35:26,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:35:26,043 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 10:35:26,049 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 10:35:26,049 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:35:26,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:35:26 BasicIcfg [2022-11-20 10:35:26,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:35:26,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:35:26,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:35:26,060 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:35:26,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:35:22" (3/4) ... [2022-11-20 10:35:26,063 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:35:26,068 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-20 10:35:26,068 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-20 10:35:26,069 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-20 10:35:26,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-20 10:35:26,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 10:35:26,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:35:26,076 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:35:26,131 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:35:26,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:35:26,132 INFO L158 Benchmark]: Toolchain (without parser) took 5634.06ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 121.9MB in the beginning and 152.6MB in the end (delta: -30.7MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-11-20 10:35:26,132 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:35:26,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.72ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 97.4MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 10:35:26,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.34ms. Allocated memory is still 153.1MB. Free memory was 97.4MB in the beginning and 94.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:35:26,133 INFO L158 Benchmark]: Boogie Preprocessor took 66.71ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:35:26,134 INFO L158 Benchmark]: RCFGBuilder took 1037.84ms. Allocated memory is still 153.1MB. Free memory was 92.2MB in the beginning and 94.0MB in the end (delta: -1.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-11-20 10:35:26,134 INFO L158 Benchmark]: TraceAbstraction took 3698.82ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 93.4MB in the beginning and 155.7MB in the end (delta: -62.4MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. [2022-11-20 10:35:26,134 INFO L158 Benchmark]: Witness Printer took 71.68ms. Allocated memory is still 230.7MB. Free memory was 155.7MB in the beginning and 152.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:35:26,136 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.72ms. Allocated memory is still 153.1MB. Free memory was 121.6MB in the beginning and 97.4MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.34ms. Allocated memory is still 153.1MB. Free memory was 97.4MB in the beginning and 94.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.71ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1037.84ms. Allocated memory is still 153.1MB. Free memory was 92.2MB in the beginning and 94.0MB in the end (delta: -1.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3698.82ms. Allocated memory was 153.1MB in the beginning and 230.7MB in the end (delta: 77.6MB). Free memory was 93.4MB in the beginning and 155.7MB in the end (delta: -62.4MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. * Witness Printer took 71.68ms. Allocated memory is still 230.7MB. Free memory was 155.7MB in the beginning and 152.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 151 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 189 IncrementalHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 10 mSDtfsCounter, 189 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 650 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 10:35:26,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5680c807-6b7b-45d1-ac61-a373863f0492/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE